Home / 18,086.58-27,124.29-6,397.11

Finding the Fourth Proportional to 18,086.58, 27,124.29 and 6,397.11

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Solution

The fourth proportional to 18,086.58, 27,124.29 and 6,397.11 is: 9,593.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,086.58 : 27,124.29 = 6,397.11 : x
  2. Step 2: Convert to fraction form
    18,086.58/27,124.29 = 6,397.11/x
  3. Step 3: Cross multiply
    18,086.58x = 27,124.29 × 6,397.11
  4. Step 4: Simplify right side
    18,086.58x = 173,517,066.80
  5. Step 5: Solve for x
    x = 173,517,066.80/18,086.58
  6. Step 6: Final answer
    x = 9,593.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.